Main Control Board
Part # 6871A20771C·LG·AC

Main Control Board

The 6871A20771C is a main control board for LG ac. Significant disassembly required. Compare prices from top sellers.

Replaces: 1359554
Advanced Repair

Fits LG appliances

LG

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Price Comparison

4 stores · Updated May 15, 2026
Part AdvantageLowest
$90.10
4.8(728)Preorder
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PartSelect
$110.83
4.5(13.6k)Preorder
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ApplianceParts Pro
$113.46
4.8(21.9k)Preorder
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RepairClinic
$117.55
4.4(3.1k)Preorder
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Ensure your LG air conditioning system operates at peak performance with this high-quality main control board. Designed specifically for LG models, this circuit board is essential for managing various functionalities and ensuring optimal cooling efficiency. With its timer and overlay features, users can enjoy precise control over their climate settings, enhancing comfort in any environment. Constructed from durable materials, this replacement part is built to last, providing a reliable solution for maintenance and repairs. Ideal for DIY enthusiasts or professional technicians, its straightforward installation process helps restore your AC to its former glory. Trust this component to deliver the reliability and functionality your LG appliance deserves. Keep your space comfortable all season long with this essential part.

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Common Problems This Part Fixes

Not cooling
Not turning on
Freezing up
Fan not working
Remote or controls not working

Repair difficulty: Advanced - significant disassembly and multiple tools required

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